Thadd is a name of Greek origin, derived from the name Theodore, which means 'gift of God'. It's a unique and distinctive name that has been used throughout history, but remains relatively uncommon today. The name Thadd is often associated with Saint Thaddeus, one of the twelve apostles in the New Testament. In art and literature, it appears as a character in several works, most notably in the plays of William Shakespeare.
The name Thadd was most popular between 1962 and 1973, with a peak of 13 births in 1971. However, it has been quite rare since then, with only five births each in 1983, 1990, 1991, and 2004. Overall, there have been 145 births with the name Thadd from 1962 to 2004.